CN202237767U - Improved desulfurizer - Google Patents
Improved desulfurizer Download PDFInfo
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- CN202237767U CN202237767U CN2011203667292U CN201120366729U CN202237767U CN 202237767 U CN202237767 U CN 202237767U CN 2011203667292 U CN2011203667292 U CN 2011203667292U CN 201120366729 U CN201120366729 U CN 201120366729U CN 202237767 U CN202237767 U CN 202237767U
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Abstract
The utility model discloses an improved desulfurizer, comprising a desulfurizing tower, an oil-water separator, a gypsum reactor, a filter, an air blower, a circulating pump, an oil-water pump and a recycling pump. The desulfurizer disclosed by the utility model has the advantages of low operation risk, low operation cost, stable operation in a long period and the like.
Description
Technical field
The utility model relates to the coal-fired flue gas desulfurization apparatus field, is specifically related to a kind of desulfurizer of improvement.
Background technology
In the prior art, utilize sulfoxide emulsion contact waste gas to obtain acid solution, add ammonium ion then in the acid solution and obtain ammonium salt.Because the source of ammonium ion is carbonate or the aminoquinoxaline of ammonia, ammonia etc., these cost of material are higher, and transportation is inconvenient, has increased danger and the operating cost in the transportation.
The boiler fume desulfurizing method of factories such as the power plant of present stage, oil plant and cement plant adopts the limestone-gypsum wet desulfurizing process mostly; This method needs limestone crushing is become the powder of certain particle size and processes lime stone slurry, and technology is complicated, power consumption is high.
Therefore, research and develop a kind of economy, simply, effectively, lower expense that flue gas is carried out the device that desulfurization handles is necessary.
Summary of the invention
The purpose of the utility model just is to provide a kind of desulfurizer of improvement.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of desulfurizer of improvement; Comprise desulfurizing tower, oil water separator, gypsum reactor, filter, air-blaster, circulating pump, oil water pump and recovery pump, it is characterized in that: described desulfurizing tower tower body comprises smoke inlet, air intake, circulation fluid inlet, divinyl sulfoxide inlet, divinyl sulfoxide emulsion inlet, fresh water (FW) inlet, oil water mixture outlet, circulation fluid outlet, tail gas outlet; Described desulfurizing tower inner top is provided with two demisters, below demister, is provided with the fresh water (FW) spraying layer with the centre, below the fresh water (FW) spraying layer, is provided with three spraying layers, is provided with at the bottom of the tower and holds the liquid section, holds in the liquid section and is provided with air sparger; Described oil water separator is positioned at desulfurizing tower top one side position, comprises oil water mixture inlet, recovery liquid inlet, dilute sulfuric acid outlet, the outlet of divinyl sulfoxide; Described gypsum reactor is positioned at the oil water separator below, comprises the dilute sulfuric acid inlet, collects the liquid outlet; Described filter bits comprises and collects liquid inlet, the outlet of recovery liquid in gypsum reactor below; Described gypsum reactor is provided with two at least, and the assurance operation is carried out continuously.
The advantage of the utility model is: 1, the utility model apparatus structure is simple, can carry out the purpose that desulfurization is handled to flue gas reliably; 2, easy to operate, need lime stone not worn into slurries, only need that lime stone is worn into limestone block and participate in reaction, domestic relatively other technology, it is low to consume energy; 3, two gypsum reactors are set at least and can guarantee that operation carries out continuously, need be in order not change lime stone Batch Process; 4, oil water separator is positioned at gypsum reactor top, can make the acid solution of separating lean on gravity directly to get in the gypsum reactor and react, and reduces investment, power consumption, minimizing maintenance load and expense.
Figure of description
Fig. 1 is the utility model installation drawing.
Among Fig. 11, desulfurizing tower, 2, oil water separator, 3, the gypsum reactor, 4, filter, 5, air-blaster, 6, circulating pump; 7, oil water pump, 8, reclaim pump, 9, air sparger, 10, hold the liquid section, 11, spraying layer, 12, demister; 13, smoke inlet, 14, air intake, 15, the tail gas outlet, 16, the oil water mixture outlet, 17, the circulation fluid outlet; 18, divinyl sulfoxide inlet, 19, the circulation fluid inlet, 20, the oil water mixture inlet, 21, the outlet of divinyl sulfoxide, 22, dilute sulfuric acid outlet, 23, reclaim the liquid inlet; 24, acid solution spray equipment, 25, the lime stone filled section, 26, the acid solution collecting pit, 27, the dilute sulfuric acid inlet, 28, collect the liquid outlet; 29, collect the liquid inlet, 30, reclaim the liquid outlet, 31, the fresh water (FW) inlet, 32, the fresh water (FW) spraying layer, 33, divinyl sulfoxide emulsion inlet.
The specific embodiment
A kind of desulfurizer of improvement; As shown in Figure 1; Comprise desulfurizing tower 1, oil water separator 2, gypsum reactor 3, filter 4, air-blaster 5, circulating pump 6, oil water pump 7 and reclaim pump 8, described desulfurizing tower 1 tower body comprises smoke inlet 13, air intake 14, circulation fluid inlet 19, divinyl sulfoxide inlet 18, divinyl sulfoxide emulsion inlet 33, fresh water (FW) inlet 31, oil water mixture outlet 16, circulation fluid outlet 17, tail gas outlet 15; Described divinyl sulfoxide emulsion inlet 33 is used for when the flue gas desulfurization operation is driven, injecting divinyl sulfoxide emulsion; Described desulfurizing tower 1 inner top is provided with two demisters 12; Below demister 12, be provided with three layer process water spraying layers 32 with the centre; Below fresh water (FW) spraying layer 32, be provided with three spraying layers 11, be provided with at the bottom of the tower and hold liquid section 10, hold and be provided with air sparger 9 in the liquid section 10; Described oil water separator 2 is positioned at desulfurizing tower 1 top one side position, comprises oil water mixture inlet 20, recovery liquid inlet 23, dilute sulfuric acid outlet 22, divinyl sulfoxide outlet 21; Described gypsum reactor 3 is positioned at oil water separator 2 belows, comprises dilute sulfuric acid inlet 27, collects liquid outlet 28; Described filter 4 is positioned at gypsum reactor 3 belows, comprises collecting liquid inlet 29, recovery liquid outlet 30; Described gypsum reactor is provided with two at least to guarantee that operation carries out continuously.
Described air sparger 9 is connected with described air-blaster 5, and air is blasted at the bottom of the tower by air-blaster 5, and is evenly upwards sprayed by air sparger 9; The described liquid section 10 of holding is positioned at tower smoke inlet 13 belows, keeps certain liquid level and guarantees internal circulating load in the tower; Described circulation fluid outlet 17 and described circulation fluid inlet 19 are connected through circulating pump 6, and circulation fluid enters the mouth and 19 links to each other with spraying layer 11; Described demister 12 is positioned at the tower inner exhaust gas and exports 15 belows, is used for removing the acid solution drop that tail gas is carried secretly, guarantees clean exhaust emissions; Described fresh water (FW) spraying layer 32 directly is connected with fresh water (FW) inlet 31; Fresh water (FW) is according to 5～9: 1 fresh water (FW) and flue gas are than (5～9 process of jacking water: flow 1 standard cubic meter flue gas) gets into fresh water (FW) spraying layers 32 by fresh water (FW) inlet 31, is used to clean demister 12 and keeps water balance in the desulfurizing tower.
The oil water mixture of described oil water separator 2 inlet 20 and desulfurizing tower 1 oil water mixture export 16 and are connected through described oil water pump 7; The outlet 21 of the divinyl sulfoxide of described oil water separator 2 and desulfurizing tower 1 divinyl sulfoxide enter the mouth and 18 directly are connected through pipeline, and isolated divinyl sulfoxide flows directly into desulfurizing tower 1 by gravity.
Comprise acid solution spray equipment 24, lime stone filled section 25, acid solution collecting pit 26 in the described gypsum reactor 3; Described gypsum reactor 3 dilute sulfuric acids inlet 27 and oil water separator 2 dilute sulfuric acids export 22 and directly are connected through pipeline.
Described filter 4 is collected liquid inlet 29 and gypsum reactor 3 and is collected liquid and export 28 and directly be connected through pipeline; Described filter 4 recovery liquid outlets 30 are reclaimed liquid inlet 23 with oil water separator 2 and are connected through reclaiming pump 8, and recovery pump 8 filters good acid solution with filter 4 and sends in the oil water separator 2.
This device operating procedure is:
Flue gas gets into desulfurizing tower 1 by smoke inlet 13 and upwards flows; Fully contact with the mixed liquor of the divinyl sulfoxide/sulfurous acid/sulfuric acid of downward spray; SO2 in the flue gas contacts with the divinyl sulfoxide emulsion that spraying layer 11 sprays downwards and generates sulfurous acid, and sulfurous acid and divinyl sulfoxide are combined into stable complex.Flue gas after spray liquid absorbs upwards through demister 12, tackled by the sulfurous acid drop of carrying secretly in the flue gas, and last clean flue gas is gone out through desulfurizing tower 1 top tail gas outlet 15.The solution process that spray falls absorbs the back and further concentrates, and gets back to desulfurizing tower 1 bottom at last, blasts excess air by air blast 5 to desulfurizing tower 1 bottom again, and the divinyl sulfoxide was regenerated after sulfurous acid was oxidized to sulfuric acid.
Sulfuric acid solution gets into oil water separator 2 from desulfurizing tower 1 bottom through oil water pump 7; Isolate divinyl sulfoxide phase and sulfuric acid solution, the divinyl sulfoxide comes back to desulfurizing tower 1 through divinyl sulfoxide inlet 18, and sulfuric acid solution gets into gypsum reactor 3; Be filled with lime stone in the lime stone filled section 25 in the gypsum reactor 3; Sulfuric acid solution and lime stone reaction generate gypsum, and the intact sulfuric acid solution of unreacted flows in the acid solution collecting pit 26 of gypsum reactor 3 bottoms, and get into filter 4 through collecting liquid outlet 28; Sulfuric acid solution through filtering after separating is sent in the oil water separator 2 by reclaiming pump 8, and so far removal process is accomplished.
Claims (5)
1. the desulfurizer of an improvement; Comprise desulfurizing tower (1), oil water separator (2), gypsum reactor (3), filter (4), air-blaster (5), circulating pump (6), oil water pump (7) and reclaim pump (8), it is characterized in that: described desulfurizing tower (1) tower body comprises smoke inlet (13), air intake (14), circulation fluid inlet (19), divinyl sulfoxide inlet (18), divinyl sulfoxide emulsion inlet (33), fresh water (FW) inlet (31), oil water mixture outlet (16), circulation fluid outlet (17), tail gas outlet (15); Described desulfurizing tower (1) inner top is provided with two demisters (12); Below and centre at demister (12) are provided with fresh water (FW) spraying layer (32); Be provided with three spraying layers (11) in fresh water (FW) spraying layer (32) below; Be provided with at the bottom of the tower and hold liquid section (10), hold and be provided with air sparger (9) in the liquid section (10); Described oil water separator (2) is positioned at desulfurizing tower (1) top one side position, comprises oil water mixture inlet (20), recovery liquid inlet (23), dilute sulfuric acid outlet (22), divinyl sulfoxide outlet (21); Described gypsum reactor (3) is positioned at oil water separator (2) below, comprises dilute sulfuric acid inlet (27), collects liquid outlet (28); Described filter (4) is positioned at gypsum reactor (3) below, comprises collecting liquid inlet (29), recovery liquid outlet (30); Described gypsum reactor is provided with two at least.
2. the desulfurizer of a kind of improvement according to claim 1 is characterized in that, described air sparger (9) is connected with the outer described air-blaster (5) of tower; The described liquid section (10) of holding is positioned at tower smoke inlet (13) below; Described circulation fluid outlet (17) and described circulation fluid enter the mouth (19) be connected through circulating pump (6), circulation fluid enter the mouth (19) link to each other with spraying layer (11); Described demister (12) is positioned at tower inner exhaust gas outlet (15) below, and described fresh water (FW) spraying layer (32) directly is connected with fresh water (FW) inlet (31).
3. the desulfurizer of a kind of improvement according to claim 1 is characterized in that, the oil water mixture inlet (20) of described oil water separator (2) is connected through described oil water pump (7) with desulfurizing tower (1) oil water mixture outlet (16); The divinyl sulfoxide outlet (21) of described oil water separator (2) directly is connected through pipeline with desulfurizing tower (1) divinyl sulfoxide inlet (18).
4. the desulfurizer of a kind of improvement according to claim 1 is characterized in that, comprises acid solution spray equipment (24), lime stone filled section (25), acid solution collecting pit (26) in the described gypsum reactor (3); Described gypsum reactor (3) dilute sulfuric acid inlet (27) directly is connected through pipeline with oil water separator (2) dilute sulfuric acid outlet (22).
5. the desulfurizer of a kind of improvement according to claim 1 is characterized in that, described filter (4) is collected liquid inlet (29) and directly is connected through pipeline with gypsum reactor (3) collection liquid outlet (28); Described filter (4) reclaims liquid outlet (30) and is connected through reclaiming pump (8) with oil water separator (2) recovery liquid inlet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203667292U CN202237767U (en) | 2011-09-29 | 2011-09-29 | Improved desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203667292U CN202237767U (en) | 2011-09-29 | 2011-09-29 | Improved desulfurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202237767U true CN202237767U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203667292U Expired - Fee Related CN202237767U (en) | 2011-09-29 | 2011-09-29 | Improved desulfurizer |
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| CN (1) | CN202237767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500211A (en) * | 2011-09-30 | 2012-06-20 | 合肥宁垣工程技术有限责任公司 | Improved desulfuration method and device |
-
2011
- 2011-09-29 CN CN2011203667292U patent/CN202237767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500211A (en) * | 2011-09-30 | 2012-06-20 | 合肥宁垣工程技术有限责任公司 | Improved desulfuration method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |